Duelle
Starring Juliet Berto, Bulle Ogier, Nicole Garcia, Claire Nadeau, Hermine Karagheuz, Jean Babilée, Elisabeth Wiener, Jean Wiener, André Dauchy, Roger Fugen
It's a drama and fantasy movie, and has a rating of 6.9 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Switzerland.